Aisin AX4, AX5 and AX15 Transmissions
See Figures 1 and 2
The AX4 is a 4-speed synchromesh manual transmission. The AX5 and AX15 are 5-speed synchromesh manual transmissions. The shift mechanism in all is integral and mounted in the shift tower portion of the housing. The transmission identification code for the Aisin AX4/5/15 transmissions is located on the bottom of the transmission case near the filler plug. The first three numbers identify the date of manufacture (for example, 902=1989, February). The next series of numbers is the serial number.
See Figure 3
The BA10/5 is a 5-speed, synchromesh manual transmission. The shifter is mounted in the transmission's intermediate case. The BA10/5 identification code is located on a tag, riveted to the left side of the transmission. The plate provides build date, part number, and serial number identification.
See Figure 4
The AW-4 is a 4-speed, electronically controlled automatic transmission. The identification plate is attached to the right side of the transmission case.
See Figure 5
The 42RE/44RE/46RE is a 4-speed fully automatic transmission with electronic governor. The ID numbers are stamped on the case's left side just above the oil pan.
The Chrysler 42RH/46RH automatic transmission is a 4-speed fully automatic unit with an overdrive 4th gear. The ID numbers are stamped on the case's left side just above the oil pan.30RH/32RH Transmission
The Chrysler 30RH/32RH transmission is a 3-speed automatic transmission with a gear type oil pump. The ID numbers are stamped on case's left side just above the oil pan.